CN207753507U - Stator support and external rotor electric machine - Google Patents
Stator support and external rotor electric machine Download PDFInfo
- Publication number
- CN207753507U CN207753507U CN201721919189.XU CN201721919189U CN207753507U CN 207753507 U CN207753507 U CN 207753507U CN 201721919189 U CN201721919189 U CN 201721919189U CN 207753507 U CN207753507 U CN 207753507U
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- China
- Prior art keywords
- support
- stator
- support column
- end plate
- electric machine
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Abstract
The utility model discloses a kind of stator support and external rotor electric machines, the stator support is used for external rotor electric machine, stator support includes support column and mounting portion, support column has the supported hole axially penetrated through along it, support column is used to support the stator core of external rotor electric machine, and supported hole is used to support the shaft of external rotor electric machine；Installation position is wholely set in axial one end of support column, and with support column, and mounting portion is used to install with the mounting base of external rotor electric machine and fix.The utility model improves the structure of stator support, keeps the structure of stator support simpler.
Description
Technical field
The utility model is related to technical field of motors more particularly to a kind of stator supports and external rotor electric machine.
Background technology
Currently, turning the stator support of air duct brushless motor outside usually by copper sheathing, holder and bracket end board group at parts
More, assembly technology is complicated, and the whole production efficiency that can externally turn air duct brushless motor impacts.
Utility model content
The main purpose of the utility model is to provide a kind of stator supports, it is intended to simplify the structure of stator support, improve
The production efficiency of stator support.
To achieve the above object, the utility model proposes a kind of stator supports, are used for external rotor electric machine, the stator support
Including：
There is support column the supported hole axially penetrated through along it, the support column to be used to support determining for the external rotor electric machine
Sub- iron core, the supported hole are used to support the shaft of the external rotor electric machine；
Mounting portion, is located at axial one end of the support column, and is wholely set with the support column, and the mounting portion is used for
It installs and fixes with the mounting base of external rotor electric machine.
Preferably, the stator support further includes reinforcer, and the mounting portion is molded on the reinforcer, so that
The reinforcer is at least partially disposed in the mounting portion, to improve the intensity of the mounting portion, and/or,
The support column is molded on the reinforcer, so that the reinforcer is at least partially disposed at the support column
It is interior, to improve the intensity of the support column.
Preferably, the mounting portion includes end plate and the mounting ear positioned at end plate edge, and the mounting ear is used to turn with outer
The mounting base installation of sub-motor is fixed, and the reinforcer is at least partially disposed in the end plate and the mounting ear.
Preferably, the end plate has the positioning column that the length direction along the support column stretches out, the positioning column and institute
The homonymy that support column is located at the end plate is stated, the positioning column is used to be connected to the branch in the board sleeve of the external rotor electric machine
It is inserted into the circuit board when on dagger, is rotated relative to the stator support with limiting the circuit board.
Preferably, the end plate also have along the support column length direction stretch out limiting section, the limiting section and
The support column is located at the homonymy of the end plate, the limiting section be used for when the board sleeve is connected on the support column with
Side of the circuit board towards the end plate abuts, to limit movement of the circuit board towards the end plate direction.
Preferably, the limiting section is located at the edge of the end plate, and along the plate-like structure of the circumferentially extending of the end plate.
Preferably, the positioning column is located at side of the limiting section towards the support column, also, the positioning column with
The limiting section is wholely set.
Preferably, the periphery wall of the support column corresponds to the position of the stator core and is convexly equipped with multiple positioning protrusion, more
A positioning protrusion is along the circumferentially distributed of the support column, and multiple positioning protrusion in the stator core set for being connected to
It is abutted with the internal perisporium of the stator core when on the support column, to limit the stator core along the support column radial direction side
To movement.
Preferably, heat emission hole is further opened on the end plate, the heat emission hole runs through along the length direction of the support column
The end plate.
The utility model also proposes that a kind of external rotor electric machine, the motor include outer rotor and inner stator, the outer rotor
Including shaft, the inner stator includes stator core and stator support as described above, and the stator support includes：
There is support column the supported hole axially penetrated through along it, the stator core to be socketed on the support column, described turn
Axis rotation is supported in the supported hole；
Mounting portion, is located at axial one end of the support column, and is wholely set with the support column, and the mounting portion is used for
It installs and fixes with the mounting base of external rotor electric machine.
The utility model is wholely set by the support column and mounting portion for making stator support, can reduce the zero of stator support
Number of components, to simplify the structure and assembly technology of stator support, to improve the production efficiency of stator support.
Description of the drawings
In order to illustrate the embodiment of the utility model or the technical proposal in the existing technology more clearly, below will be to embodiment
Or attached drawing needed to be used in the description of the prior art is briefly described, it should be apparent that, the accompanying drawings in the following description is only
It is some embodiments of the utility model, for those of ordinary skill in the art, in the premise not made the creative labor
Under, the structure that can also be shown according to these attached drawings obtains other attached drawings.
Fig. 1 is the structural schematic diagram of one embodiment of the utility model stator support；
Fig. 2 is the sectional view of stator support in Fig. 1, and the axial direction along stator support has carried out section view；
Fig. 3 is the structural schematic diagram of one embodiment of the utility model electric motor internal stator；
Fig. 4 is the sectional view of electric motor internal stator in Fig. 3, and the axial direction along motor has carried out section view.
Drawing reference numeral explanation：
| Label | Title | Label | Title |
| 10 | Stator support | 104 | End plate |
| 11 | Stator core | 105 | Supported hole |
| 12 | Shaft | 106 | Mounting ear |
| 13 | Circuit board | 107 | Positioning column |
| 14 | Bearing | 108 | Limiting section |
| 101 | Reinforcer | 109 | Heat emission hole |
| 102 | Mounting portion | 110 | Mounting hole |
| 103 | Support column | 111 | Positioning protrusion |
The embodiments will be further described with reference to the accompanying drawings for the realization, functional characteristics and advantage of the utility model aim.
Specific implementation mode
The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model
Clearly and completely describing, it is clear that described embodiment is only a part of the embodiment of the utility model, rather than all
Embodiment.Based on the embodiments of the present invention, those of ordinary skill in the art are not making the creative labor premise
Lower obtained every other embodiment, shall fall within the protection scope of the present invention.
It is to be appreciated that the directional instruction (such as up, down, left, right, before and after ...) of institute in the utility model embodiment
It is only used for explaining relative position relation, the motion conditions etc. under a certain particular pose (as shown in the picture) between each component, such as
When the fruit particular pose changes, then directionality instruction also correspondingly changes correspondingly.
In addition, the description for being related to " first ", " second " etc. in the present invention is used for description purposes only, and cannot understand
To indicate or implying its relative importance or implicitly indicate the quantity of indicated technical characteristic.Define as a result, " first ",
The feature of " second " can explicitly or implicitly include at least one of the features.In addition, the technical side between each embodiment
Case can be combined with each other, but must can be implemented as basis with those of ordinary skill in the art, when the combination of technical solution
Conflicting or cannot achieve when occur will be understood that the combination of this technical solution is not present, also not in the requires of the utility model
Protection domain within.
The utility model proposes a kind of external rotor electric machine, which includes outer rotor and inner stator, wherein default
Attached bag includes stator support 10, and the stator core 11 on the stator support 10, and outer rotor includes the support of rotation
Shaft 12 on stator support 10.
Referring to FIG. 1 and FIG. 2, the stator support 10 includes support column 103 and mounting portion 102, wherein support column 103 has
There are the supported hole 105 axially penetrated through along it, support column 103 to be used for across stator core 11 to support stator core 11, supported hole
105 pass through for the shaft 12 for external rotor electric machine, and support the shaft 12；Mounting portion 102 is located at support column 103 axial one
End, and be wholely set with support column 103, which is used to install with the mounting base (not shown) of external rotor electric machine and fix.
It is understood that by making the support column 103 of stator support 10 and mounting portion 102 be wholely set, can reduce
The amount of parts of stator support 10, to simplify the structure and assembly technology of stator support 10, to improve stator support 10
Efficiency is manufactured, and reduces the manufacturing cost of stator support 10.
In the present embodiment, as shown in Figures 1 and 2, stator support 10 can also include reinforcer 101, stator support 10
Mounting portion 102 is molded on reinforcer 101, so that reinforcer 101 is at least partially disposed in mounting portion 102, to reduce
The thickness of mounting portion 102, and improve the intensity of mounting portion 102, make that mounting portion 102 more stablizes is installed to external rotor electric machine
In mounting base.Also, since mounting portion 102 is directly molded on reinforcer 101, without being installed manually, therefore,
The processing of stator support 10 is very convenient.
Wherein it is possible to make the complete attached portion 102 in the part that reinforcer 101 is located in mounting portion 102 wrap up, so as to reinforce
The intensity higher that part 101 improves mounting portion 102.
In the present embodiment, the support column 103 of stator support 10 can also be made to be molded on reinforcer 101, so that plus
Strong part 101 is at least partially disposed in support column 103, and to improve the intensity of support column 103, details are not described herein again.
It is of course also possible to keep reinforcer 101 at least part of while in mounting portion 102 and support column 103, to carry
The integral strength of high stator support 10, details are not described herein again.
In the present embodiment, as shown in figure 4, bearing 14 can be arranged in the supported hole 105 of support column 103, and make shaft
12 are supported on bearing 14, to reduce the frictional force between shaft 12 and the inner wall of supported hole 105.
In the present embodiment, as shown in Figure 1 and Figure 2, the mounting portion 102 of stator support 10 can be made to include end plate 104 and be located at
The mounting ear 106 at the edge of end plate 104, which is used to install with the mounting base of external rotor electric machine and fix, so that outer turn
In mounting base of the sub-motor installation fixed to external rotor electric machine.Wherein, the structure of the mounting base of external rotor electric machine specifically can basis
Depending on the product that motor is applied, such as：When above-mentioned external rotor electric machine is in wind turbine, the shell of wind turbine is external rotor electric
The mounting base of machine.
It is possible to further make at least part of reinforcer 101 be located at the end plate 104 and mounting ear 106 of mounting portion 102
It is interior, to improve the intensity of mounting ear 106, make motor is more stable to be installed on motor mount.
It installs and fixes for convenience of the mounting base of mounting ear 106 and external rotor electric machine, as shown in Figure 1, can be in mounting ear 106
On open up the mounting hole 110 axially penetrated through along stator support 10, to by the way that the fixing pieces such as screw, rivet are passed through mounting hole
110 can easily be installed to external rotor electric machine on motor mount.
It should be noted that when the reinforcer 101 in mounting ear 106 is Chong Die with mounting hole 110, above-mentioned mounting hole 110
Also extend through reinforcer 101.
It is of course also possible to be that mounting ear 106 is fixedly installed to external rotor electric machine by modes such as welding, buckle, stickups
In mounting base, the present embodiment is not restricted.
In the present embodiment, when all having reinforcer 101 in mounting ear 106, end plate 104 and support column 103, peace can be made
Reinforcer 101 in dress ear 106, end plate 104 and support column 103 is wholely set, so that reinforcer 101 has higher intensity,
And then improve the integral strength of stator support 10.
As shown in Figures 3 and 4, external rotor electric machine can also include the circuit board 13 being mounted on stator support 10.This reality
It applies in example, circuit board 13 can be made to be socketed on support column 103, and make mounting portion 102 that there is the length direction along support column 103
The positioning column 107 of stretching, the positioning column 107 and support column 103 are located at the homonymy of mounting portion 102, and peace is connected to for 13 sets when circuit board
When on the support column 103 in dress portion 102, positioning column 107 is inserted into circuit board 13 to be positioned to circuit board 13, limiting circuit
13 the circumferentially rotating along stator support 10 of relative stator holder 10 of plate.
It is understood that through-hole corresponding with support column 103 and positioning column 107 is provided on circuit board 13, so that
Circuit board 103 can be socketed on support column 103, and positioning column 107 is made to be inserted into circuit board 13.
It is possible to further make the transversal of shape of through holes corresponding with positioning column 107 and positioning column 107 on circuit board 13
Face shape is identical, to further increase locating effect of the positioning column 107 to circuit board 13, makes 107 limiting circuit plate 13 of positioning column
Relative stator holder 10 is circumferentially rotated along stator support 10, and 13 relative stator holder 10 of limiting circuit plate is along stator support 10
Radial direction movement.
Furthermore it is also possible to the quantity of positioning column 107 is made to be multiple, also, multiple positioning columns 107 are along the week of stator support 10
To distribution, to improve the locating effect of positioning column 107.
In the present embodiment, as shown in Figures 1 to 4, it can also make mounting portion 102 that there is the length direction along support column 103
The limiting section 108 of stretching, the limiting section 108 are located at the homonymy of mounting portion 102 with support column 103, branch are connected to for 13 sets when circuit board
When on dagger 103, limiting section 108 is abutted with side of the circuit board 13 towards mounting portion 102, with limiting circuit plate 13 towards end plate
104 direction movement.
Wherein, when mounting portion 102 includes end plate 104, limiting section 108 can be made to be located at the edge of end plate 104, and along end
The plate-like structure of circumferentially extending of plate 104, to improve the intensity of electric machine support 10.
It is of course also possible to limiting section 108 is arranged to column structure, alternatively, being arranged on the periphery wall of support column 103 convex
Edge, specifically can be depending on the structure of external rotor electric machine to form limiting section 108.
In the present embodiment, when being provided with positioning column 107 and limiting section 108 simultaneously on mounting portion 102, positioning column can be made
107 are wholely set with limiting section 108, to improve the intensity of positioning column 107 and limiting section 108.
Wherein, when mounting portion 102 includes end plate 104, positioning column 107 and limiting section 108 can also be made while positioned at end
The edge of plate 104, and positioning column 107 is made to be located at limiting section 108 towards the side of support column 103, to improve 104 intensity of end plate
Meanwhile making stator support 10 that there is better appearance.
In the present embodiment, as shown in Figure 1, the position that can also correspond to stator core 11 in the periphery wall of support column 103 is convex
If multiple positioning protrusion 111, and make multiple positioning protrusion 111 along the circumferentially distributed of support shaft 103, it is connected to for 11 sets when stator core
When on support column 103, multiple positioning protrusion 111 are abutted with the internal perisporium of stator core 11, to limit stator core 11 along support
The movement of 103 radial direction of column.
It is understood that being positioned to stator core 11 by multiple positioning protrusion 111, can reduce to support column
The required precision of 103 periphery wall, to reduce the cost of stator support 10.
Wherein it is possible to make positioning protrusion 111 along the axially extending of support column 103 be in bead structures, so that support column 103
It processes more convenient.
Furthermore it is possible to which the quantity of positioning protrusion 111 is made to be 3, and make 3 positioning protrusion 111 along the circumferential direction of support column 103
It is uniformly distributed, so that 3 positioning protrusion 111 form triangulation location, improves the locating effect of positioning protrusion 111.
Further, the position that positioning protrusion 111 can also be corresponded in the internal perisporium of positioning iron core 11 opens up groove and (does not show
Go out), when 11 sets of stator core is connected on support column 103, positioning protrusion 111 is inserted into corresponding groove, to limit stator
Iron core 11 is with respect to the circumferentially rotating along support column 103 of support column 103.
In the present embodiment, as shown in Figures 1 and 3, when mounting portion 102 includes end plate 104, it can be opened on end plate 104
If heat emission hole 109, which runs through end plate 104 along the length direction of support column 103, with the inside to external rotor electric machine
It radiates.
Wherein it is possible to which the quantity of heat emission hole 109 is made to be multiple, and make circumferential direction point of the multiple heat emission holes 109 along support column 103
Cloth, so as to improve the heat dissipation effect of heat emission hole 109.
In addition, it is necessary to explanation, when being provided with reinforcer 101 in end plate 104, and the reinforcer 101 in end plate 104 with
When heat emission hole 109 is overlapped, heat emission hole 109 also extends through the reinforcer 101 in end plate 104.
It is understood that due to the utility model proposes external rotor electric machine include said stator holder all implementations
Therefore all schemes of example at least have technique effect identical with the stator support, do not illustrate one by one herein.
The above is only the preferred embodiment of the present invention, and it does not limit the scope of the patent of the present invention,
Under every utility model in the utility model is conceived, equivalent structure made based on the specification and figures of the utility model
Transformation, or directly/be used in other related technical areas indirectly and be included in the scope of patent protection of the utility model.
Claims (10)
1. a kind of stator support, it to be used for external rotor electric machine, which is characterized in that the stator support includes：
There is support column the supported hole axially penetrated through along it, the support column to be used to support the stator iron of the external rotor electric machine
Core, the supported hole are used to support the shaft of the external rotor electric machine；
Mounting portion is located at axial one end of the support column, and is wholely set with the support column, the mounting portion be used for it is outer
The mounting base installation of rotor electric machine is fixed.
2. stator support as described in claim 1, which is characterized in that the stator support further includes reinforcer, the installation
Portion is molded on the reinforcer, so that the reinforcer is at least partially disposed in the mounting portion, to improve the peace
The intensity in dress portion, and/or,
The support column is molded on the reinforcer, so that the reinforcer is at least partially disposed in the support column,
To improve the intensity of the support column.
3. stator support as claimed in claim 2, which is characterized in that the mounting portion includes end plate and positioned at end plate edge
Mounting ear, the mounting ear are used to install with the mounting base of external rotor electric machine and fix, and the reinforcer is at least partially disposed at described
In end plate and the mounting ear.
4. stator support as claimed in claim 3, which is characterized in that the end plate has the length direction along the support column
The positioning column of stretching, the positioning column and the support column are located at the homonymy of the end plate, and the positioning column is used for described outer
The board sleeve of rotor electric machine is inserted into the circuit board when being connected on the support column, to limit the relatively described stator branch of the circuit board
Frame rotates.
5. stator support as claimed in claim 4, which is characterized in that the end plate also has along the length side of the support column
To the limiting section of stretching, the limiting section and the support column are located at the homonymy of the end plate, and the limiting section is used for described
It is abutted with side of the circuit board towards the end plate when board sleeve is connected on the support column, to limit the circuit board direction
The movement in the end plate direction.
6. stator support as claimed in claim 5, which is characterized in that the limiting section is located at the edge of the end plate, and edge
The plate-like structure of circumferentially extending of the end plate.
7. stator support as claimed in claim 5, which is characterized in that the positioning column is located at the limiting section towards the branch
The side of dagger, also, the positioning column is wholely set with the limiting section.
8. the stator support as described in claim 1 to 7 any one, which is characterized in that the periphery wall of the support column corresponds to
The position of the stator core is convexly equipped with multiple positioning protrusion, multiple positioning protrusion along the circumferentially distributed of the support column,
Multiple positioning protrusion are used for when the stator core set is connected on the support column and the internal perisporium of the stator core
It abuts, to limit the stator core moving along the support column radial direction.
9. the stator support as described in claim 3 to 7 any one, which is characterized in that be further opened with heat dissipation on the end plate
Hole, the heat emission hole run through the end plate along the length direction of the support column.
10. a kind of external rotor electric machine, which is characterized in that the motor includes outer rotor and inner stator, and the inner stator includes fixed
Sub- iron core and the stator support as described in claim 1 to 9 any one, the stator core are socketed in the stator support
On support column, the outer rotor includes shaft, and the shaft rotation is supported in the supported hole of the support column.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721919189.XU CN207753507U (en) | 2017-12-29 | 2017-12-29 | Stator support and external rotor electric machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721919189.XU CN207753507U (en) | 2017-12-29 | 2017-12-29 | Stator support and external rotor electric machine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207753507U true CN207753507U (en) | 2018-08-21 |
Family
ID=63152065
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721919189.XU Active CN207753507U (en) | 2017-12-29 | 2017-12-29 | Stator support and external rotor electric machine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207753507U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109600000A (en) * | 2018-12-20 | 2019-04-09 | 广州市卓易精密机械有限公司 | It is a kind of for installing the workpiece mounting disc of motor stator |
| CN111987817A (en) * | 2019-05-24 | 2020-11-24 | 北京金风科创风电设备有限公司 | Motor and assembly method thereof |
-
2017
- 2017-12-29 CN CN201721919189.XU patent/CN207753507U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109600000A (en) * | 2018-12-20 | 2019-04-09 | 广州市卓易精密机械有限公司 | It is a kind of for installing the workpiece mounting disc of motor stator |
| CN111987817A (en) * | 2019-05-24 | 2020-11-24 | 北京金风科创风电设备有限公司 | Motor and assembly method thereof |
| CN111987817B (en) * | 2019-05-24 | 2023-11-24 | 北京金风科创风电设备有限公司 | Motor and motor assembly method |
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